2266788 has 48 divisors (see below), whose sum is σ = 5677056. Its totient is φ = 702240.

The previous prime is 2266787. The next prime is 2266801. The reversal of 2266788 is 8876622.

It is an Ulam number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11773 + ... + 11963.

It is an arithmetic number, because the mean of its divisors is an integer number (118272).

2^2266788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2266788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2838528).

2266788 is an abundant number, since it is smaller than the sum of its proper divisors (3410268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2266788 is a wasteful number, since it uses less digits than its factorization.

2266788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 262 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 2266788 is about 1505.5856003562. The cubic root of 2266788 is about 131.3621662469.

The spelling of 2266788 in words is "two million, two hundred sixty-six thousand, seven hundred eighty-eight".